The base and perpendicular height are at right angles. Showing that a parallelogram has the same area as a rectangle: Split the parallelogram into a right-angled triangle and a trapezium. Move the ...

This well thought out worksheet has been structured to increase in difficulty gradually, beginning with scaffolded intro examples and building up to challenging extension questions that really get ...

Designed to teach KS4 about how to calculate resultant forces when the forces are non-collinear. Gives examples of when forces which occur in such a way. Animated guide to drawing a parallelogram as a ...